Precor c956i treadmills are Precor's flagship commercial treadmills and can be found at many health clubs and fitness facilities. Gym members or even those fortunate enough to afford this luxury at home can control speed, incline, and time. The Precor C 956i displays time, distance, speed, incline, minutes per mile, watts, METs, calories, calories per minute, and heart rate on it generous display. All while a powerful 3.2 Horsepower continuous duty motor gets you sweating. The Ground Effects Impact-Control system provides optimum shock absorption, and the units speed and elevation range 0.5 - 12Mph and 0% - 15% which give you a wide range of manual difficulty. The steel frame is also strong and durable, enough to withstand everyday use with this used treadmill. Professional trainers love the quiet motor and rollers, the extensive workout programs, and all the rest. The Precor C956i commercial treadmill is quite an attractive package.